Continuous Ring Core Drills are available in standard lengths of 4″.  Stand connections are 5/8-11 and 16 mm x 2.0 female threads.  Thread size must be specified when ordering.  An adapter is available to convert the wheels to a 1/2″ diameter shaft drive.  Drills are equipped for center water feed and may be retipped for new tool performance at a reduced price.

Note: Sizes are nominal shank sizes.  Holes will be drilled slightly larger.